公开(公告)号：US5850625A

公开(公告)日：1998-12-15

申请号：US819980

申请日：1997-03-13

申请人： Alianna J. Maren ,  Richard M. Akita ,  Bradley D. Colbert ,  David J. Donovan ,  Charles W. Glover ,  Karl Mathia ,  Robert M. Pap ,  Kevin L. Priddy ,  Timothy W. Robinson ,  Richard E. Saeks

发明人： Alianna J. Maren ,  Richard M. Akita ,  Bradley D. Colbert ,  David J. Donovan ,  Charles W. Glover ,  Karl Mathia ,  Robert M. Pap ,  Kevin L. Priddy ,  Timothy W. Robinson ,  Richard E. Saeks

IPC分类号： G01S13/72 ,  G01S13/86 ,  H04N5/272

CPC分类号： G01S13/86 ,  G01S13/723

摘要： The invented apparatus fuses two or more sensor signals to generate a fused signal with an improved confidence of target existence and position. The invented apparatus includes gain, control and fusion units, and can also include an integration unit. The integration unit receives signals generated by two or more sensors, and generates integrated signals based on the sensor signals. The integration unit performs temporal and weighted spatial integration of the sensor signals, to generate respective sets of integrated signals supplied to the gain control and fusion units. The gain control unit uses a preprogrammed function to map the integrated signals to an output signal that is scaled to generate a gain signal supplied to the fusion unit. The fusion unit uses a preprogrammed function to map its received integrated signals and the gain signal, to a fused signal that is the output of the invented apparatus. The weighted spatial integration increases the fused signal's sensitivity to near detections and suppresses response to detections relatively distant in space and time, from a detection of interest. The gain control and fusion functions likewise suppress the fused signal's response to low-level signals, but enhances response to high-level signals. In addition, the gain signal is generated from signals integrated over broad limits so that, if a detection occurred near in space or time to a detection of interest, the gain signal will cause the fused signal to be more sensitive to the level of the detection of interest.

摘要翻译： 本发明的设备将两个或多个传感器信号融合以产生具有改善的目标存在和位置置信度的融合信号。 本发明的装置包括增益，控制和融合单元，并且还可以包括集成单元。 集成单元接收由两个或更多个传感器产生的信号，并且基于传感器信号产生积分信号。 集成单元执行传感器信号的时间和加权空间积分，以产生提供给增益控制和融合单元的各组积分信号。 增益控制单元使用预编程函数将积分信号映射到被缩放以产生提供给融合单元的增益信号的输出信号。 融合单元使用预编程函数将其接收到的积分信号和增益信号映射到作为本发明装置的输出的融合信号。 加权空间积分增加了融合信号对近距离检测的敏感性，并且从感兴趣的检测中抑制了在空间和时间上相对较远的检测的响应。 增益控制和融合功能同样抑制了融合信号对低电平信号的响应，但增强了对高电平信号的响应。 此外，增益信号是从广泛的限制集成的信号产生的，因此，如果在空间附近发生检测或发生感兴趣检测的时间，增益信号将使融合信号对检测电平更敏感 出于兴趣。